Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1975-06-11
1977-05-24
Lutter, Frank W.
Gas separation
Means within gas stream for conducting concentrate to collector
55343, 55347, 55472, 209144, B01D 4512
Patent
active
040253201
ABSTRACT:
This dust collector provides a means of removing dust from air ventilation ducts without utilizing water and includes a cylindrical body aligned with the duct and having a bank of venturi tubes mounted between spaced walls within the body. An exhaust blower creates an airflow in the body and dust-laden air passing through the tubes is subjected to centrifugal action so that the dust is concentrated into a relatively small portion of the air, which is diverted transversely through the venturi throats and into a throat chamber defined by the spaced walls. An external conduit system communicating with the throat chamber returns the diverted air into the cylindrical body upstream of the exhaust blower through a return opening, the blower providing negative pressure in the conduit system which results in a portion of the air passing through the cylindrical body being continuously recycled. The conduit system houses a second bank of venturi tubes, which further concentrates the dust, and a bank of upright cyclone tubes, which receives and changes the direction of flow of the diverted air from the second bank of venturi tubes so that dust is deposited into a receptacle, for collection before the air is returned to the cylindrical body.
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Lacey David L.
Lutter Frank W.
M.A.T. Industries, Inc.
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